0
1
mirror of https://git.sb/baoshuo/OI-codes.git synced 2024-11-27 15:56:26 +00:00
OI-codes/LibreOJ/10091/data/popular3.in

6 lines
20 B (Stored with Git LFS)
Plaintext

4 4
1 2
2 1
1 3
2 4